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Finding the Fourth Proportional to 429,470.57, 592,670.45 and 238,483.95

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Solution

The fourth proportional to 429,470.57, 592,670.45 and 238,483.95 is: 329,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,470.57 : 592,670.45 = 238,483.95 : x
  2. Step 2: Convert to fraction form
    429,470.57/592,670.45 = 238,483.95/x
  3. Step 3: Cross multiply
    429,470.57x = 592,670.45 × 238,483.95
  4. Step 4: Simplify right side
    429,470.57x = 141,342,388,337.97
  5. Step 5: Solve for x
    x = 141,342,388,337.97/429,470.57
  6. Step 6: Final answer
    x = 329,108.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.